ReviewMedicine2016
Silent pulmonary thromboembolism in neurosurgery patients: Report of 2 cases and literature review.
Review in Medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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11 authors.
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Abstract
backgroundThe requirement of postoperative bedridden and immobilization renders neurosurgical patients with higher risk of deep vein thrombosis (DVT), then more vulnerable for pulmonary thromboembolism (PTE). But silent pulmonary thromboembolism (SPTE) can be the very early stage of any typical form of PTE, its diagnosis and management is therefore critical in neurosurgical departments. However, to date, perioperative SPTE has not been attached with enough attention.
methodsHere, we report 2 cases of perioperative SPTE in the Department of Neurosurgery, Peking Union Medical College Hospital, Beijing, China. Clinical data of 2 cases was collected and analyzed. Both patients were screened by quantitative D-dimer assay and lower limbs ultrasonography, while diagnoses were made according to computed tomographic pulmonary angiography (CTPA). Therapeutic medications include heparin, low molecular weight heparin, followed by long-term anticoagulation with oral warfarin. Both cases showed significantly elevated D-dimer before and after onset of SPTE. But in 1 case, ultrasonography reported negative venous thromboembolism. CTPA confirmed all diagnosis of SPTE. Repeated CTPA after anticoagulant therapy identified therapeutic efficacy. And during the follow-up period of 5 or 6 years, both patients acquired full recovery without clinical complications.
resultsSignificant decline of D-dimer was observed after the comprehensive management of SPTE (case 1: preop vs postop 573 vs 50 μg/L; case 2: preop vs postop 246 vs 50 μg/L). Ultrasonography was used for suspicious of DVT, while CTPA was used for confirming SPTE diagnosis.
conclusionClinicians should be aware of the importance of early recognition of SPTE. Effective management of risk factors of hyper-coagulation state should be the key to prophylaxis. And routine monitor of D-dimer as well as regular check of lower limbs ultrasonography should be standardized and included in guidelines of neurosurgical patient management.
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